(a)
Interpretation: The stepwise mechanism for the reaction of
Concept introduction: Nucleophilic addition reaction is a type of organic reaction in which the nucleophile is added to an electrophilic site. In case of carbonyl compounds, the carbonyl carbon acts as an electrophilic site.
(b)
Interpretation: The validation of the fact that
Concept introduction: Nucleophilic addition reaction is a type of organic reaction in which the nucleophile is added to an electrophilic site. In case of carbonyl compounds, the carbonyl carbon acts as an electrophilic site.
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PKG ORGANIC CHEMISTRY
- When the conjugate acid of aniline, C6H5NH3+, reacts with the acetate ion, the following reaction takes place: C6H5NH3+(aq)+CH3COO(aq)C6H5NH2(aq)+CH3COOH(aq) If Kafor C6H5NH3+ is 1.35105 and Kafor CH3COOH is 1.86105 , what is K for the reaction?arrow_forwardDraw structural formulas for these ketones. (a) Ethyl isopropyl ketone (b) 2-Chlorocyclohexanone (c) 2,4-Dimethyl-3-pentanone (d) Diisopropyl ketone (e) Acetone (f) 2,5-Dimethylcyclohexanonearrow_forward[10] 10] Q1. Do the following conversions as directed. Write the complete reaction equation. (a) Benzaldehyde to Benzoic Acid. (b) Propanal to 1-propanal (c) Cyclohexanone to Cyclohexanol (d) Acetaldehyde to Ethyl alcohol (e) Acetone to Iso-propyl alcoholarrow_forward
- Draw the structures of (a) 6-methyl-3-heptanol and (b) trans-2-methylcyclohexanolarrow_forwardWhich of the following molecules (1) (2) CH,0-ČCH,CH, CH,CH,CH (3) О—С—Он (4) OH CH,CHCH,CH, (5) CH,-NH would: neutralize NaOH neutralize HCI yields an alcohol and an organic acid when hydrolyzed is easily oxidized to an acid would be classifed as aromatic could be oxidized to give a ketonearrow_forwardKetene, H2C=C=O, is an important industrial chemical. Predict the products that would be formed when ketene reacts with **hint: Markovnikov addition occurs. (a) ethanol (b) acetic acid (c) ethylamine.arrow_forward
- Name and draw a structural formula for the major product of each alkene addition reaction: CH S (a) CH₂C=CH₂ + HI →→→→ (b) CH 3 + HClarrow_forwardThe oxidation of 3-methylbutanal with potassium permanganate in an acid medium produces compound A and the reduction of cyclohexanone with NaBH4 produces compound B. Indicate the CORRECT alternative: a) A reacts rapidly with water to produce a carboxylic acid. b) Reaction of B with methylamine produces an amide. c) Reaction of A with an acyl chloride produces an ester. d) B reacts with HCN to produce a cyanohydrin. e) The reaction of A and B in an acid medium produces cyclohexyl 3-methylbutanoate.arrow_forwardEthers (general formula R—O—R)have many important uses. Until recently,methyl tert-butyl ether (MTBE, right)was used as an octane booster and fueladditive for gasoline. It increases the oxy-gen content of the fuel, which reducesCO emissions. MTBE is synthesized bythe catalyzed reaction of 2-methylpropene with methanol.(a) Write a balanced equation for the synthesis of MTBE. (Hint:Alcohols add to alkenes similarly to the way water does.)(b) If the government required that auto fuel mixtures contain2.7% oxygen by mass to reduce CO emissions, how many gramsof MTBE would have to be added to each 100. g of gasoline?(c) How many liters of MTBE would be in each liter of fuel mix-ture? (The density of both gasoline and MTBE is 0.740 g/mL.)(d) How many liters of air (21% O₂ by volume) are needed at24C and 1.00 atm to fully combust 1.00 L of MTBE?arrow_forward
- Citronellol ((3R)-3,7-dimethyloct-6-en-1-ol, C10H20O) is an organic fragrance found in the oil extracted from lemon grass. a) Name the two functional groups present in the molecule. b) When a few drops of bromine dissolved in hexane is added to a sample of citronellol the brown colour of the bromine rapidly disappears. i. What type of chemical reaction has occurred? ii. Draw the structure of the product formed. iii. Name the product. c) The product formed when citronellol is heated with a mixture of potassium dichromate and sulfuric acid gives a yellow/orange precipitate when shaken with Brady’s reagent (2,4-dinitrophenylhydrazine). It also shows a positive result with Fehling’s solution. i. What type of chemical reaction has occurred ? ii. What type of functional group is present in the product? d) Explain the type of stereoisomerism which may occur in citronellol.arrow_forwardPart c and darrow_forwardTerpineol has 5 isomers. Write their structures and describe why chemically (optically) they receive those names. Number the carbons for a better description.arrow_forward
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